Boston Marathon logo
BOSTON MARATHON 2024

Marlena Molinska

Bib: 20268•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:29/mi
26:22
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
53:14
↑ 79↓ 1380.4%
15K· 9.32 mi
8:39/mi
1:20:08
↑ 67↓ 78
20K· 12.43 mi
9:34/mi
1:49:52
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:55:48
↑ 19↓ 370.5%
25K· 15.53 mi
9:35/mi
2:19:02
↑ 66↓ 880.2%
30K· 18.64 mi
10:26/mi
2:51:26
↑ 181↓ 1480.2%
20M
10:30/mi
3:05:42
↑ 64↓ 500.2%
21M
10:58/mi
3:16:40
↑ 106↓ 241.6%
35K· 21.75 mi
10:52/mi
3:24:48
↑ 17↓ 861.7%
23M
9:21/mi
3:36:30
↑ 23↓ 630.6%
24M
9:11/mi
3:45:41
↓ 821.3%
40K· 24.85 mi
9:30/mi
3:53:48
↓ 200.3%
25.2M
10:00/mi
3:57:15
↑ 13↓ 160.2%
Finish· 26.22 mi
8:58/mi
4:06:23
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:48
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:10:35
Pace9:58 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4926:228:2926:22
8:29
-
10K
6.21 mi11:47:4153:148:3426:52
8:39
+0:10
15K
9.32 mi12:14:351:20:088:3626:54
8:39
0:00
20K
12.43 mi12:44:191:49:528:5029:44
9:34
+0:55
Half
13.11 mi12:50:151:55:488:505:56
8:42
-0:52
25K
15.53 mi13:13:292:19:028:5723:14
9:35
+0:53
30K
18.64 mi13:45:532:51:269:1232:24
10:26
+0:51
20M
20.00 mi14:00:093:05:429:1714:16
10:30
+0:04
21M
21.00 mi14:11:073:16:409:2210:58
10:58
+0:28
35K
21.75 mi14:19:153:24:489:258:08
10:52
-0:06
23M
23.00 mi14:30:573:36:309:2511:42
9:21
-1:31
24M
24.00 mi14:40:083:45:419:249:11
9:11
-0:10
40K
24.85 mi14:48:153:53:489:248:07
9:30
+0:19
25.2M
25.20 mi14:51:423:57:159:253:27
10:00
+0:30
Finish
26.22 mi15:00:504:06:239:249:08
8:58
-1:02

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:29 /mi

Average Pace

9:24 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:12

39% of race

Time at Steady Pace

1:21:58

33% of race

Time at Slower Pace

1:09:13

28% of race

Average Pace: 9:24 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:20:4926:228:2926:22
8:29
#17712
10K
6.21 mi11:47:4153:148:3426:52
8:39
#17902
15K
9.32 mi12:14:351:20:088:3626:54
8:39
#17667
20K
12.43 mi12:44:191:49:528:5029:44
9:34
#18214
Half
13.11 mi12:50:151:55:488:505:56
8:42
#18138
25K
15.53 mi13:13:292:19:028:5723:14
9:35
#18076
30K
18.64 mi13:45:532:51:269:1232:24
10:26
#18235
20M
20.00 mi14:00:093:05:429:1714:16
10:30
#18237
21M
21.00 mi14:11:073:16:409:2210:58
10:58
#18113
35K
21.75 mi14:19:153:24:489:258:08
10:52
#18174
23M
23.00 mi14:30:573:36:309:2511:42
9:21
#17840
24M
24.00 mi14:40:083:45:419:249:11
9:11
#17648
40K
24.85 mi14:48:153:53:489:248:07
9:30
#17478
25.2M
25.20 mi14:51:423:57:159:253:27
10:00
#17355
Finish
26.22 mi15:00:504:06:239:249:08
8:58
#17203
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi177126591659117273(Top 68%)6304(Top 58%)6304(Top 531%)
10K6.21 mi3.10 mi17902-1906680-896680-8918109(Top 71%)6789(Top 62%)6789(Top 572%)
15K9.32 mi3.11 mi17667+2356527+1536527+15317273(Top 68%)6304(Top 58%)6304(Top 531%)
20K12.43 mi3.11 mi18214-5476851-3246851-32419425(Top 76%)7503(Top 69%)7503(Top 632%)
Half13.11 mi0.68 mi18138+766818+336818+3316866(Top 66%)6149(Top 56%)6149(Top 518%)
25K15.53 mi2.42 mi18076+626811+76811+717814(Top 70%)6715(Top 61%)6715(Top 566%)
30K18.64 mi3.11 mi18235-1596967-1566967-15618603(Top 73%)7361(Top 67%)7361(Top 620%)
20M20.00 mi1.36 mi18237-26989-226989-2217993(Top 70%)7204(Top 66%)7204(Top 607%)
21M21.00 mi1.00 mi18113+1246945+446945+4416256(Top 64%)6459(Top 59%)6459(Top 544%)
35K21.75 mi0.75 mi18174-616995-506995-5019515(Top 76%)8081(Top 74%)8081(Top 681%)
23M23.00 mi1.25 mi17840+3346846+1496846+14912834(Top 50%)4833(Top 44%)4833(Top 407%)
24M24.00 mi1.00 mi17648+1926762+846762+8413059(Top 51%)4964(Top 45%)4964(Top 418%)
40K24.85 mi0.85 mi17478+1706699+636699+6313120(Top 51%)5115(Top 47%)5115(Top 431%)
25.2M25.20 mi0.35 mi17355+1236641+586641+5811046(Top 43%)4144(Top 38%)4144(Top 349%)
Finish26.22 mi1.02 mi17203+1526592+496592+4914038(Top 55%)5505(Top 50%)5505(Top 464%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

17273

Females

6304

F50-54

6304

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18109

Females

6789

F50-54

6789

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

17273

Females

6304

F50-54

6304

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

19425

Females

7503

F50-54

7503

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

16866

Females

6149

F50-54

6149

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

17814

Females

6715

F50-54

6715

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

18603

Females

7361

F50-54

7361

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

17993

Females

7204

F50-54

7204

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

16256

Females

6459

F50-54

6459

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

19515

Females

8081

F50-54

8081

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

12834

Females

4833

F50-54

4833

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13059

Females

4964

F50-54

4964

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13120

Females

5115

F50-54

5115

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11046

Females

4144

F50-54

4144

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14038

Females

5505

F50-54

5505

Passing Analysis

Category:
Athletes Passed
2489
Passed By
1980
Net Change
+509
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17712
5K → 10K203393-190#17712#17902
10K → 15K341106+235#17902#17667
15K → 20K108655-547#17667#18214
20K → Half8812+76#18214#18138
Half → 25K242180+62#18138#18076
25K → 30K200359-159#18076#18235
30K → 20M104106-2#18235#18237
20M → 21M16743+124#18237#18113
21M → 35K46107-61#18113#18174
35K → 23M3362+334#18174#17840
23M → 24M1931+192#17840#17648
24M → 40K1744+170#17648#17478
40K → 25.2M1230+123#17478#17355
25.2M → Finish16412+152#17355#17203
TOTALS24891980+509
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing